Shield



FIG. 1 is a front view of the first embodiment of a shield showing mynew design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view of the second embodiment of the shield;

FIG. 8 is a rear view thereof;

FIG. 9 is a right side view thereof;

FIG. 10 is a left side view thereof;

FIG. 11 is a top view thereof; and,

FIG. 12 is a bottom view thereof.

CLAIM I claim the ornamental design for a shield, as shown anddescribed.